mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-25 14:30:06 +00:00
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* Test to verify that passing a pointer to an uninitialized object
|
|
to pthread_setspecific doesn't trigger bogus uninitialized warnings.
|
|
Copyright (C) 2021-2023 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <pthread.h>
|
|
#include <stdlib.h>
|
|
#include <libc-diag.h>
|
|
|
|
/* Turn uninitialized warnings into errors to detect the problem.
|
|
See BZ #27714. */
|
|
|
|
DIAG_PUSH_NEEDS_COMMENT;
|
|
DIAG_IGNORE_NEEDS_COMMENT (6, "-Wmaybe-uninitialized");
|
|
DIAG_IGNORE_NEEDS_COMMENT (6, "-Wuninitialized");
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
void *p = malloc (1); /* Deliberately uninitialized. */
|
|
pthread_setspecific (pthread_self (), p);
|
|
|
|
void *q = pthread_getspecific (pthread_self ());
|
|
|
|
return p == q;
|
|
}
|
|
|
|
DIAG_POP_NEEDS_COMMENT;
|
|
|
|
#include <support/test-driver.c>
|